Bug 2460714 (CVE-2026-33602) - CVE-2026-33602 dnsdist: off-by-one access when processing crafted UDP responses
Summary: CVE-2026-33602 dnsdist: off-by-one access when processing crafted UDP responses
Keywords:
Status: NEW
Alias: CVE-2026-33602
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2460844 2460845
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 15:07 UTC by OSIDB Bzimport
Modified: 2026-04-24 18:30 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-04-22 15:07:03 UTC 
A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.
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